linux-kernel - [PATCH v4 11/14] drm/mediatek: add function to return RDMA layer number

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Date:   Thu, 9 Aug 2018 10:15:46 +0800
From:   Stu Hsieh <stu.hsieh@...iatek.com>
To:     CK Hu <ck.hu@...iatek.com>, Philipp Zabel <p.zabel@...gutronix.de>
CC:     David Airlie <airlied@...ux.ie>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <dri-devel@...ts.freedesktop.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <srv_heupstream@...iatek.com>,
        Stu Hsieh <stu.hsieh@...iatek.com>
Subject: [PATCH v4 11/14] drm/mediatek: add function to return RDMA layer number

This patch add function to return RDMA layer number

RDMA always has one layer.

Signed-off-by: Stu Hsieh <stu.hsieh@...iatek.com>
Reviewed-by: CK Hu <ck.hu@...iatek.com>
---
 drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
index 8b015c2d4418..9da0fa6c6806 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
@@ -193,6 +193,11 @@ static unsigned int rdma_fmt_convert(struct mtk_disp_rdma *rdma,
 	}
 }
 
+static unsigned int mtk_rdma_layer_nr(struct mtk_ddp_comp *comp)
+{
+	return 1;
+}
+
 static void mtk_rdma_layer_config(struct mtk_ddp_comp *comp, unsigned int idx,
 				  struct mtk_plane_state *state)
 {
@@ -230,6 +235,7 @@ static const struct mtk_ddp_comp_funcs mtk_disp_rdma_funcs = {
 	.stop = mtk_rdma_stop,
 	.enable_vblank = mtk_rdma_enable_vblank,
 	.disable_vblank = mtk_rdma_disable_vblank,
+	.layer_nr = mtk_rdma_layer_nr,
 	.layer_config = mtk_rdma_layer_config,
 };
 
-- 
2.12.5.2.gbdf23ab